A343334 - cp's OEIS frontend

A343334 a(1) = 0; thereafter a(n+1) = abs(a(n)-y), where y is the number of numbers m < n such that a(m) = a(n).

n	a(n)
1	0
2	0
3	1
4	1
5	0
6	2
7	2
8	1
9	1
10	2
11	0
12	3
13	3
14	2
15	1
16	3
17	1
18	4
19	4
20	3
21	0
22	4
23	2
24	2
25	3
26	1
27	5
28	5
29	4
30	1
31	6
32	6
33	5
34	3
35	2
36	4
37	0
38	5
39	2
40	5
41	1
42	7
43	7
44	6
45	4
46	1
47	8
48	8
49	7
50	5
51	0
52	6
53	3
54	3
55	4
56	2
57	6
58	2
59	7
60	4
61	3
62	5
63	1
64	9
65	9
66	8
67	6
68	1
69	10
70	10
71	9
72	7
73	3
74	6
75	0
76	7
77	2
78	8
79	5
80	2
81	9
82	6
83	1
84	11
85	11

[0, 0, 1, 1, 0, 2, 2, 1, 1, 2, 0, 3, 3, 2, 1, 3, 1, 4, 4, 3, 0, 4, 2, 2, 3, 1, 5, 5, 4, 1, 6, 6, 5, 3, 2, 4, 0, 5, 2, 5, 1, 7, 7, 6, 4, 1, 8, 8, 7, 5, 0, 6, 3, 3, 4, 2, 6, 2, 7, 4, 3, 5, 1, 9, 9, 8, 6, 1, 10, 10, 9, 7, 3, 6, 0, 7, 2, 8, 5, 2, 9, 6, 1, 11, 11]

cp's OEIS Frontend

A343334 a(1) = 0; thereafter a(n+1) = abs(a(n)-y), where y is the number of numbers m < n such that a(m) = a(n).

Table of values

List of values

n	a(n)
1	0
2	0
3	1
4	1
5	0
6	2
7	2
8	1
9	1
10	2
11	0
12	3
13	3
14	2
15	1
16	3
17	1
18	4
19	4
20	3
21	0
22	4
23	2
24	2
25	3
26	1
27	5
28	5
29	4
30	1
31	6
32	6
33	5
34	3
35	2
36	4
37	0
38	5
39	2
40	5
41	1
42	7
43	7
44	6
45	4
46	1
47	8
48	8
49	7
50	5
51	0
52	6
53	3
54	3
55	4
56	2
57	6
58	2
59	7
60	4
61	3
62	5
63	1
64	9
65	9
66	8
67	6
68	1
69	10
70	10
71	9
72	7
73	3
74	6
75	0
76	7
77	2
78	8
79	5
80	2
81	9
82	6
83	1
84	11
85	11

n	a(n)
1	0
2	0
3	1
4	1
5	0
6	2
7	2
8	1
9	1
10	2
11	0
12	3
13	3
14	2
15	1
16	3
17	1
18	4
19	4
20	3
21	0
22	4
23	2
24	2
25	3
26	1
27	5
28	5
29	4
30	1
31	6
32	6
33	5
34	3
35	2
36	4
37	0
38	5
39	2
40	5
41	1
42	7
43	7
44	6
45	4
46	1
47	8
48	8
49	7
50	5
51	0
52	6
53	3
54	3
55	4
56	2
57	6
58	2
59	7
60	4
61	3
62	5
63	1
64	9
65	9
66	8
67	6
68	1
69	10
70	10
71	9
72	7
73	3
74	6
75	0
76	7
77	2
78	8
79	5
80	2
81	9
82	6
83	1
84	11
85	11

n	a(n)
1	0
2	0
3	1
4	1
5	0
6	2
7	2
8	1
9	1
10	2
11	0
12	3
13	3
14	2
15	1
16	3
17	1
18	4
19	4
20	3
21	0
22	4
23	2
24	2
25	3
26	1
27	5
28	5
29	4
30	1
31	6
32	6
33	5
34	3
35	2
36	4
37	0
38	5
39	2
40	5
41	1
42	7
43	7
44	6
45	4
46	1
47	8
48	8
49	7
50	5
51	0
52	6
53	3
54	3
55	4
56	2
57	6
58	2
59	7
60	4
61	3
62	5
63	1
64	9
65	9
66	8
67	6
68	1
69	10
70	10
71	9
72	7
73	3
74	6
75	0
76	7
77	2
78	8
79	5
80	2
81	9
82	6
83	1
84	11
85	11